[OpenSER-Users] Why RPID related functions instead of PAI?

[Iñaki Baz Castillo]

El Lunes, 21 de Enero de 2008, Klaus Darilion escribió:
> Iñaki Baz Castillo wrote:
> > Hi, "Remote-Party-ID" is a draft ("draft-ietf-sip-privacy-04") [1]
> > expired in 2002 while "P-Asserted-Identity" is a official RFC (3325) [2].
> >
> > I'd like to know why OpenSer manages RPID in some functions ("auth"
> > module) instead of PAI. I assume that some gateways just implement RPID
> > and so, but can't understand why PAI is ignored (the use of PAI is
> > extended in gateways).
>
> RPID was never an RFC, but it was implemented by Cisco and all of the
> Cisco stuff out there support it. 

> PAI is supported only by newer Cisco stuff.

I can confirm that Nortel CS2000 allows both RPID and PAI. ;)



> Later, ser/openser become more flexible (pseudo variables, AVPs ...) and
> you could load AVPs from DB and add a new header with the AVP. Thus, for
> adding a header with values read from database there was no reason
> anymore to implement a certain add_pai_hf function as you could do
> everything with append_hf and AVPs.

 Yes, that makes sense. Thanks for the explanation.


-- 
Iñaki Baz Castillo